“…16,25 On the other hand, new progress in PHF studies, especially in vascularization, allows the definition of important new characteristics for treatment decision-making. [26][27][28][29][30] Because important new concepts for prognosis and treatment of PHF do not easily fit in past classification systems, some authors have proposed new imaging techniques 8,12 or new functional classifications. 14 Since 2003, new systems of fracture classifications have been published.…”